Heidolph Hei-VAP Value Operating Manual page 30

Troubleshootimg
Hei-VAP Value
Digital
Error message
(blinking code
**
***
****
*****
Display shows ---
instead of vapor
temperature
Possible reason
Cable connection between
controller and base unit
disconnected
Failure in database
Heating defective
Overheat protection on
Safety temperature
exceeded by +5°C
Heating bath uid
vapori ed
Heating bath sensor
di erence 10 C
Temperature sensor
heating bath defective
Temperature of heating
bath uid 217 C
Temperature of heating
bath uid < 0 C
Potentiometer
temperature defective
Potentiometer speed
defective
Motor overloaded
Vapor temperature sensor
defective
Troubleshooting
Connect cable
Please contact your local Heidolph
Instruments distributor
Heating bath is lled:
Cool down heating bath, reset
overheat protection (see next
section)
Heating bath is empty:
Contact your local Heidolph Instru-
ments distributor
Please contact your local Heidolph
Instruments distributor
Switch o device
No heating: reset overheat
protection (see next section)
Re ll heating bath uid
Please contact your local Heidolph
Instruments distributor
Please contact your local Heidolph
Instruments distributor
Please contact your local Heidolph
Instruments distributor
Switch o device
Contact your local Heidolph Instru-
ments distributor
Replace vapor temperature sensor